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Finding the Fourth Proportional to 604,223.64, 833,869.38 and 399,922.62

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Solution

The fourth proportional to 604,223.64, 833,869.38 and 399,922.62 is: 551,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,223.64 : 833,869.38 = 399,922.62 : x
  2. Step 2: Convert to fraction form
    604,223.64/833,869.38 = 399,922.62/x
  3. Step 3: Cross multiply
    604,223.64x = 833,869.38 × 399,922.62
  4. Step 4: Simplify right side
    604,223.64x = 333,483,227,187.38
  5. Step 5: Solve for x
    x = 333,483,227,187.38/604,223.64
  6. Step 6: Final answer
    x = 551,920.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.